We have several plum trees. They were here before we moved into our home, about seven years ago. The first two years were wonderful. We were able to pick and eat the fruit. Each year since, the plums have continued to grow, but they all have worm holes in them and they don't get quite as big. Help. Please give me any advice if you have had success with your plum trees.
Hardiness Zone: 8a
By Debra Stephenson from Atlanta, GA
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It's too late now but next spring: Spray the trees with malathion every week. Start when you see the first bloom. Do this till the week before you harvest them. If it rains apply the spray again. Go by info on bottle or package. This will also work on peaches. Good luck.
I agree it's too late this year; you should have done 3 dormant sprays when almost all the leaves have fallen off in the fall. Nursery and home Improvement stores carries dormant spray, that's what it's called. Just follow the labels instructions for spraying intervals.
After the fruit has formed, you can spray with Spinosad according to label instructions. It is organic and you need to thin your fruit when they're about the size of the end of your thumb, leaving 3 fingers between each 1 for proper development.
You need to have a good feeding regiment also; compost and a good organic fruit tree food will help. Hopefully you'll be able to salvage some, just cut around the bugs and make jam.
Just remember the only thing worse than finding a worm in your fruit is finding a half a worm.
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